package com.ny.service.impl;

import com.ny.entity.User;
import com.ny.mapper.UserMapper;
import com.ny.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserMapper userMapper;

    @Override
    public List<User> findAllUser() {
        return userMapper.findAllUser();
    }

    @Override
    public List<User> login(String username, String password) {
        // 修改返回类型匹配Mapper
        User user = userMapper.login(username, password);
        // 将单个User转换为List
        return user != null ? List.of(user) : List.of();
    }
}